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American Journal of Obstetrics & Gynecology MFM
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      Prevention of preterm birth in twin pregnancies

      American Journal of Obstetrics & Gynecology MFM
      Vol. 4Issue 2Supplement100551Published online: December 8, 2021
      • Amanda Roman
      • Alexandra Ramirez
      • Nathan S. Fox
      Cited in Scopus: 3
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        Twins represent 3.2% of all live births; however, they account for 20.0% of all preterm deliveries, with 60.0% and 10.7% of twins delivered before 37 and 32 weeks’ gestation, respectively. Twin pregnancies have 5 times higher risk of early neonatal and infant death related to prematurity. Monochorionic twins have a higher incidence of both indicated and spontaneous preterm delivery than dichorionic twins. Transvaginal ultrasound of the cervical length before 24 weeks’ gestation is the best tool to predict preterm birth, independent of other risk factors.
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